private static FilterPanel GetNewFilterPanel(GridFilter gridFilter)
{
FilterPanel fp = new FilterPanel();
fp.Visible = false;
gridFilter.SuperGrid.Controls.Add(fp);
return (fp);
}
static internal void RenderCheckBox(
Graphics g, GridFilter gf, GridColumn column, Rectangle bounds)
{
object value = column.FilterValue;
if (_sizeCheckBox == null)
{
_sizeCheckBox = new MyCheckBoxX();
_sizeCheckBox.Text = "";
_sizeCheckBox.BackColor = Color.Transparent;
}
_sizeCheckBox.Enabled = false;
_sizeCheckBox.Size = new Size(20, 20);
_sizeCheckBox.BackColor = GetSimpleColor(gf.GetEffectiveStyle(column));
if (value is CheckState)
_sizeCheckBox.CheckState = (CheckState)value;
else
_sizeCheckBox.CheckState = CheckState.Indeterminate;
Rectangle r = new Rectangle(0, 0, 20, 20);
using (Bitmap bm = new Bitmap(20, 20))
{
_sizeCheckBox.DrawToBitmap(bm, r);
Rectangle t = bounds;
if (bounds.Width > r.Width)
{
t.X += (t.Width - r.Width - 1) / 2;
t.Width = r.Width;
}
if (bounds.Height > r.Height)
{
t.Y += (t.Height - r.Height) / 2;
t.Height = r.Height;
}
g.DrawImage(bm, t);
}
}
static private FilterPanel GetFilterPanel(
GridFilter gridFilter, FilterEditType type)
{
switch (type)
{
case FilterEditType.CheckBox:
if (_checkBoxPanel == null || _checkBoxPanel.Parent != gridFilter.SuperGrid)
_checkBoxPanel = GetNewFilterPanel(gridFilter);
return (_checkBoxPanel);
case FilterEditType.ComboBox:
if (_comboBoxPanel == null || _comboBoxPanel.Parent != gridFilter.SuperGrid)
_comboBoxPanel = GetNewFilterPanel(gridFilter);
return (_comboBoxPanel);
case FilterEditType.DateTime:
case FilterEditType.TextBox:
if (_textBoxPanel == null || _textBoxPanel.Parent != gridFilter.SuperGrid)
_textBoxPanel = GetNewFilterPanel(gridFilter);
return (_textBoxPanel);
}
return (null);
}
/// <summary>
/// Handles invocation of PreRenderFilterRowEvent events
/// </summary>
internal bool DoPreRenderFilterRowEvent(Graphics g,
GridFilter filter, GridColumn column, RenderParts parts, Rectangle bounds)
{
if (PreRenderFilterRow != null)
{
GridPanel panel = filter.GridPanel;
GridPreRenderFilterRowEventArgs ev = new
GridPreRenderFilterRowEventArgs(g, panel, filter, column, parts, bounds);
PreRenderFilterRow(this, ev);
return (ev.Cancel);
}
return (false);
}
static internal Size GetPreferredSize(
GridFilter gridFilter, GridColumn gridColumn)
{
Size size = Size.Empty;
FilterEditType type = gridColumn.GetFilterPanelType();
switch (type)
{
case FilterEditType.ComboBox:
if (_sizeComboBox == null)
_sizeComboBox = new ComboBoxEx();
_sizeComboBox.Font = gridFilter.GetEffectiveStyle(gridColumn).Font;
size = _sizeComboBox.GetPreferredSize(Size.Empty);
break;
case FilterEditType.TextBox:
case FilterEditType.DateTime:
if (_sizeTextBox == null)
_sizeTextBox = new TextBoxX();
_sizeTextBox.BorderStyle = BorderStyle.None;
_sizeTextBox.Font = gridFilter.GetEffectiveStyle(gridColumn).Font;
size = _sizeTextBox.GetPreferredSize(Size.Empty);
break;
case FilterEditType.CheckBox:
if (_sizeCheckBox == null)
_sizeCheckBox = new MyCheckBoxX();
size = new Size(20, 20);
break;
}
return (size);
}
/// <summary>
/// Handles invocation of PostRenderFilterRow events
/// </summary>
internal void DoPostRenderFilterRowEvent(Graphics g,
GridFilter filter, GridColumn column, RenderParts parts, Rectangle bounds)
{
if (PostRenderFilterRow != null)
{
GridPanel panel = filter.GridPanel;
GridPostRenderFilterRowEventArgs ev = new
GridPostRenderFilterRowEventArgs(g, panel, filter, column, parts, bounds);
PostRenderFilterRow(this, ev);
}
}
/// <summary>
/// Handles invocation of GetFilterRowStyle events
/// </summary>
internal void DoGetFilterRowStyleEvent(
GridFilter gridFilter, StyleType eStyle, ref FilterRowVisualStyle style)
{
if (GetFilterRowStyle != null)
{
GridGetFilterRowStyleEventArgs ev = new
GridGetFilterRowStyleEventArgs(gridFilter.GridPanel, gridFilter, eStyle, style);
GetFilterRowStyle(this, ev);
style = ev.Style;
}
}
///<summary>
/// GridPreRenderFilterRowEventArgs
///</summary>
///<param name="graphics"></param>
///<param name="gridPanel"></param>
///<param name="filter"></param>
///<param name="column"></param>
///<param name="parts"></param>
///<param name="bounds"></param>
public GridPreRenderFilterRowEventArgs(Graphics graphics, GridPanel gridPanel,
GridFilter filter, GridColumn column, RenderParts parts, Rectangle bounds)
: base(graphics, gridPanel, filter, column, parts, bounds)
{
}
///<summary>
/// GridPostRenderFilterRowEventArgs
///</summary>
///<param name="graphics"></param>
///<param name="gridPanel"></param>
///<param name="filter"></param>
///<param name="column"></param>
///<param name="parts"></param>
///<param name="bounds"></param>
public GridPostRenderFilterRowEventArgs(Graphics graphics, GridPanel gridPanel,
GridFilter filter, GridColumn column, RenderParts parts, Rectangle bounds)
: base(gridPanel)
{
_Bounds = bounds;
_Graphics = graphics;
_GridFilter = filter;
_GridColumn = column;
_RenderParts = parts;
}
///<summary>
/// GridGetFilterRowStyleEventArgs
///</summary>
///<param name="gridPanel"></param>
///<param name="gridFilter"></param>
///<param name="styleType"></param>
///<param name="style"></param>
public GridGetFilterRowStyleEventArgs(GridPanel gridPanel,
GridFilter gridFilter, StyleType styleType, FilterRowVisualStyle style)
: base(gridPanel)
{
_GridFilter = gridFilter;
_StyleType = styleType;
_Style = style;
}
